The two royal couples will spend the evening together at the festival before attending Remembrance Sunday on Nov. 11, where they'll pay their respects by attending a service at The Cenotaph. That evening, the royals are set to attend a Service to mark the Centenary of the Armistice at Westminster Abbey.

Click through to see all the photos from the Festival of Remembrance...

Meghan wore one of her favourite designers, Stella McCartney, for the evening – carrying the Falabella clutch by the designer and wrapping her growing baby bump in the same coat she wore in Cardiff with Prince Harry earlier this year.